MLA

Marsh, John. A Catechism for the Use of Learners of Thorough-bass: Divided Into Sections. 1st ed. [?] London: Goulding, 1807.

APA

Marsh, J. (1807). A Catechism for the Use of Learners of Thorough-Bass: Divided into Sections. 1st ed. [?] London: Goulding.

Chicago

Marsh, John A Catechism for the Use of Learners of Thorough-Bass: Divided Into Sections. 1st ed. [?] London: Goulding, 1807.